Break A While loop using a status Button

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Mohamed Afify
Mohamed Afify 2021-7-15
评论： Mohamed Afify 2021-7-19
Hello, I am trying to break the while loop containing that for loop by using the 1 and 0 status of the status button. I am having an issue doing it. That's my code below. Any other ideas to break a while 1 loop would be appreciated. Thank you!
% Value changed function: CANSTARTButton
function CANSTARTButtonValueChanged(app, event)
value = app.CANSTARTButton.Value;
app.CANSTARTButton.Value = 0;
app.CANSTARTButton.Enable = true;
while 1
%add code here
app.CANMSGStatusLamp.Color = 'Blue';
for v = 1.0:-0.2:0.0
disp(v)
end
%%end
if (app.CANSTARTButton.Value == 1)
app.CANMSGStatusLamp.Color = 'red';
break;
end
end
app.CANSTARTButton.Value = 0;
app.CANSTARTButton.Enable = false;
%if (value==1)
% app.CANMSGStatusLamp.Color = 'red';
% while 1
%else
% app.CANMSGStatusLamp.Color = 'Green';
%end
end
end

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回答（1 个）

Jan
Jan 2021-7-15
编辑：Jan 2021-7-15
Insert a drawnow command inside the loop to let Matlab update the GUI.
A small simplification:
app.CANMSGStatusLamp.Color = 'Blue';
while app.CANSTARTButton.Value == 0
%add code here
for v = 1.0:-0.2:0.0
disp(v)
end
drawnow;
end
app.CANMSGStatusLamp.Color = 'red';

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